diff --git a/package.json b/package.json
index 143b78c..1f6c42e 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
     "rc-tools": "8.x",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
-    "typescript": "3.x"
+    "typescript": "4.x"
   },
   "pre-commit": [
     "lint"